Valve rod
[化] 阀杆
🧩 词语组成解析
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
rod
[rɑd]
n. 杆，拉杆;惩罚，体罚;（责打人用的）棍棒;手枪;
🗣️ 情景例句
He was our go-between.
他是我们的媒人。
Who answers suddenly knows little.
答得迅速，懂得不多。
After a short while he started directing films himself.
不久，他开始自己导演电影。